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Finding the Fourth Proportional to 7,052.96, 10,579.02 and 3,156.32

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Solution

The fourth proportional to 7,052.96, 10,579.02 and 3,156.32 is: 4,734.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,052.96 : 10,579.02 = 3,156.32 : x
  2. Step 2: Convert to fraction form
    7,052.96/10,579.02 = 3,156.32/x
  3. Step 3: Cross multiply
    7,052.96x = 10,579.02 × 3,156.32
  4. Step 4: Simplify right side
    7,052.96x = 33,390,772.41
  5. Step 5: Solve for x
    x = 33,390,772.41/7,052.96
  6. Step 6: Final answer
    x = 4,734.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.